修复配置全局变量bug

packages/artplayer-react/package.json

@@ -1,6 +1,7 @@
 {
   "name": "artplayer-react",
   "version": "3.1.7",
+  "expose": "ArtplayerReact",
   "description": "React Component for Artplayer",
   "main": "dist/artplayer-react.js",
   "style": "dist/artplayer-react.css",

packages/artplayer-react/src/index.js

@@ -2,7 +2,7 @@ import React from 'react';
 import Artplayer from 'artplayer';
 import 'artplayer/dist/artplayer.css';
 
-export default class ArtplayerComponent extends React.Component {
+export default class ArtplayerReact extends React.Component {
     constructor(props) {
         super(props);
         Artplayer.utils.errorHandle(